Advertisements
Advertisements
प्रश्न
The horizontal rows in a periodic table are called _____.
Advertisements
उत्तर
The horizontal rows in a periodic table are called periods.
APPEARS IN
संबंधित प्रश्न
What is meant in the periodic table by a period?
Give the symbol and valency of the following element and radical.
Sulphite
Find the odd one out and give its explanation.
Find the odd one out and give its explanation.
The inert gas which lies in the third period is ______
Where would you locate the element with electronic configuration 2,8 in the Modern Periodic Table?
The maximum number of electrons that can be accommodated in s, p,d, and f subshells are ______.
A part of modern periodic table is given below. On its basis, answer the following questions:
| Group No. → | 1 | 2 | 13 | 14 | 15 | 16 | 17 | 18 |
| Period ↓ | ||||||||
| 2 | A | B | ||||||
| 3 | E | D | F | C |
Write the molecular formula of the compound formed by the combination:
E and B
- Write the electronic configuration of element X, given by its symbol as under: \[\ce{^40_20 X}\]
- Determine its position in the modem periodic table.
- What is the nature of its oxide?
- Name one other element of its group.
Name the following metal:
A metal present in period 3, group 1 of the periodic table.
